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  <title>php.ini 配置选项列表</title>
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  <h2 class="title"><var class="filename">php.ini</var> 配置选项列表</h2>
  <p class="para">
   可以在 <var class="filename">php.ini</var> 中使用下列配置选项对 PHP 进行配置。
  </p>
  <p class="para">
   “可修改范围”列决定了该配置选项在什么情况下可以被设置。查看
   <a href="configuration.changes.modes.html" class="link">配置可被设定范围</a> 列表查看具体定义。
  </p>
  <p class="para">
   <table class="doctable table">
    <caption><strong>配置选项</strong></caption>
    
     <thead>
      <tr>
       <th>名字</th>
       <th>默认</th>
       <th>可修改范围</th>
       <th>更新日志</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td><a href="filesystem.configuration.html#ini.allow-url-fopen" class="link">allow_url_fopen</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="filesystem.configuration.html#ini.allow-url-include" class="link">allow_url_include</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>从 PHP 7.4.0 开始被废弃。</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.arg-separator.input" class="link">arg_separator.input</a></td>
       <td>&quot;&amp;&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.arg-separator.output" class="link">arg_separator.output</a></td>
       <td>&quot;&amp;&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.assert.active" class="link">assert.active</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.assert.bail" class="link">assert.bail</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.assert.callback" class="link">assert.callback</a></td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.assert.exception" class="link">assert.exception</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.assert.quiet-eval" class="link">assert.quiet_eval</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td>从 PHP 8.0.0 起已删除</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.assert.warning" class="link">assert.warning</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.auto-append-file" class="link">auto_append_file</a></td>
       <td>NULL</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="filesystem.configuration.html#ini.auto-detect-line-endings" class="link">auto_detect_line_endings</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.auto-globals-jit" class="link">auto_globals_jit</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.auto-prepend-file" class="link">auto_prepend_file</a></td>
       <td>NULL</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
     <td> <a href="bc.configuration.html#ini.bcmath.scale" class="link">bcmath.scale</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>

      <tr>
       <td><a href="misc.configuration.html#ini.browscap" class="link">browscap</a></td>
       <td>NULL</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.cgi.check-shebang-line" class="link">cgi.check_shebang_line</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.cgi.discard-path" class="link">cgi.discard_path</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.cgi.fix-pathinfo" class="link">cgi.fix_pathinfo</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.cgi.force-redirect" class="link">cgi.force_redirect</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.cgi.nph" class="link">cgi.nph</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.cgi.redirect-status-env" class="link">cgi.redirect_status_env</a></td>
       <td>NULL</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.cgi.rfc2616-headers" class="link">cgi.rfc2616_headers</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="apache.configuration.html#ini.child-terminate" class="link">child_terminate</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="readline.configuration.html#ini.cli.pager" class="link">cli.pager</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 5.4.0 可用.</td>
     </tr>
<tr>
      <td><a href="readline.configuration.html#ini.cli.prompt" class="link">cli.prompt</a></td>
      <td>&quot;\\b \\&gt; &quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 5.4.0 可用.</td>
     </tr>

      <tr>
        <td><a href="features.commandline.ini.html#ini.cli-server.color" class="link">cli_server.color</a></td>
        <td>&quot;0&quot;</td>
        <td>PHP_INI_ALL</td>
       </tr>

      <tr>
     <td><a href="com.configuration.html#ini.com.allow-dcom" class="link">com.allow_dcom</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="com.configuration.html#ini.com.autoregister-typelib" class="link">com.autoregister_typelib</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="com.configuration.html#ini.com.autoregister-verbose" class="link">com.autoregister_verbose</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="com.configuration.html#ini.com.autoregister-casesensitive" class="link">com.autoregister_casesensitive</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="com.configuration.html#ini.com.code-page" class="link">com.code_page</a></td>
     <td>&quot;&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="com.configuration.html#ini.com.dotnet-version" class="link">com.dotnet_version</a></td>
     <td>&quot;&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td>As of PHP 8.0.0</td>
    </tr>
<tr>
     <td><a href="com.configuration.html#ini.com.typelib-file" class="link">com.typelib_file</a></td>
     <td>&quot;&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>

      <tr>
      <td><a href="curl.configuration.html#ini.curl.cainfo" class="link">curl.cainfo</a></td>
      <td>NULL</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
      <td><a href="datetime.configuration.html#ini.date.default-latitude" class="link">date.default_latitude</a></td>
      <td>&quot;31.7667&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="datetime.configuration.html#ini.date.default-longitude" class="link">date.default_longitude</a></td>
      <td>&quot;35.2333&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="datetime.configuration.html#ini.date.sunrise-zenith" class="link">date.sunrise_zenith</a></td>
      <td>&quot;90.833333&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>在 PHP 8.0.0 之前，默认值是“90.583333”</td>
     </tr>
<tr>
      <td><a href="datetime.configuration.html#ini.date.sunset-zenith" class="link">date.sunset_zenith</a></td>
      <td>&quot;90.833333&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>在 PHP 8.0.0 之前，默认值是“90.583333”</td>
     </tr>
<tr>
      <td><a href="datetime.configuration.html#ini.date.timezone" class="link">date.timezone</a></td>
      <td>&quot;UTC&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
       <td>
        <a href="dba.configuration.html#ini.dba.default_handler" class="link">dba.default_handler</a>
       </td>
       <td>DBA_DEFAULT</td>
       <td>PHP_INI_ALL</td>
       <td></td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.default-charset" class="link">default_charset</a></td>
       <td>&quot;UTF-8&quot;</td>
       <td>PHP_INI_ALL</td>
       <td>默认值为 &quot;UTF-8&quot;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.input-encoding" class="link">input_encoding</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.output-encoding" class="link">output_encoding</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.internal-encoding" class="link">internal_encoding</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.default-mimetype" class="link">default_mimetype</a></td>
       <td>&quot;text/html&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="filesystem.configuration.html#ini.default-socket-timeout" class="link">default_socket_timeout</a></td>
       <td>&quot;60&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.disable-classes" class="link">disable_classes</a></td>
       <td>&quot;&quot;</td>
       <td><var class="filename">php.ini</var> only</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.disable-functions" class="link">disable_functions</a></td>
       <td>&quot;&quot;</td>
       <td><var class="filename">php.ini</var> only</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.display-errors" class="link">display_errors</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.display-startup-errors" class="link">display_startup_errors</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td>
        在 PHP 8.0.0 之前，默认值是 <code class="literal">&quot;0&quot;</code>。
       </td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.docref-ext" class="link">docref_ext</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.docref-root" class="link">docref_root</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.doc-root" class="link">doc_root</a></td>
       <td>NULL</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.enable-dl" class="link">enable_dl</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>本过时特性<em class="emphasis">将</em>肯定会在未来被<em class="emphasis">移除</em>。</td>
      </tr>

       <tr>
       <td><a href="ini.core.html#ini.enable-post-data-reading" class="link">enable_post_data_reading</a></td>
       <td>On</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="apache.configuration.html#ini.engine" class="link">engine</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.error-append-string" class="link">error_append_string</a></td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.error-log" class="link">error_log</a></td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.error-log-mode" class="link">error_log_mode</a></td>
       <td>0o644</td>
       <td>PHP_INI_ALL</td>
       <td>自 PHP 8.2.0 起有效</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.error-prepend-string" class="link">error_prepend_string</a></td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.error-reporting" class="link">error_reporting</a></td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
     <td><a href="exif.configuration.html#ini.exif.encode-unicode" class="link">exif.encode_unicode</a></td>
     <td>&quot;ISO-8859-15&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="exif.configuration.html#ini.exif.decode-unicode-motorola" class="link">exif.decode_unicode_motorola</a></td>
     <td>&quot;UCS-2BE&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="exif.configuration.html#ini.exif.decode-unicode-intel" class="link">exif.decode_unicode_intel</a></td>
     <td>&quot;UCS-2LE&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="exif.configuration.html#ini.exif.encode-jis" class="link">exif.encode_jis</a></td>
     <td>&quot;&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="exif.configuration.html#ini.exif.decode-jis-motorola" class="link">exif.decode_jis_motorola</a></td>
     <td>&quot;JIS&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="exif.configuration.html#ini.exif.decode-jis-intel" class="link">exif.decode_jis_intel</a></td>
     <td>&quot;JIS&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>

      <tr>
       <td><a href="ini.core.html#ini.exit-on-timeout" class="link">exit_on_timeout</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="expect.configuration.html#ini.expect.timeout" class="link">expect.timeout</a></td>
      <td>&quot;10&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="expect.configuration.html#ini.expect.loguser" class="link">expect.loguser</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="expect.configuration.html#ini.expect.logfile" class="link">expect.logfile</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="expect.configuration.html#ini.expect.match-max" class="link">expect.match_max</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
       <td><a href="ini.core.html#ini.expose-php" class="link">expose_php</a></td>
       <td>&quot;1&quot;</td>
       <td><var class="filename">php.ini</var> only</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.extension" class="link">extension</a></td>
       <td>NULL</td>
       <td><var class="filename">php.ini</var> only</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.extension-dir" class="link">extension_dir</a></td>
       <td>&quot;/path/to/php&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.fastcgi.impersonate" class="link">fastcgi.impersonate</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.fastcgi.logging" class="link">fastcgi.logging</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.file-uploads" class="link">file_uploads</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="filter.configuration.html#ini.filter.default" class="link">filter.default</a></td>
      <td>&quot;unsafe_raw&quot;</td>
      <td>PHP_INI_PERDIR</td>
      <td>Deprecated as of PHP 8.1.0.</td>
     </tr>
<tr>
      <td><a href="filter.configuration.html#ini.filter.default-flags" class="link">filter.default_flags</a></td>
      <td>NULL</td>
      <td>PHP_INI_PERDIR</td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
       <td><a href="filesystem.configuration.html#ini.from" class="link">from</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="image.configuration.html#ini.gd.jpeg-ignore-warning" class="link">gd.jpeg_ignore_warning</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
            <td><a href="geoip.configuration.html#ini.geoip.custom-directory" class="link">geoip.custom_directory</a></td>
            <td>&quot;&quot;</td>
            <td>PHP_INI_ALL</td>
            <td></td>
          </tr>


      <tr>
       <td>hard_timeout</td>
       <td>&quot;2&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>PHP 7.1.0 起可用</td>
      </tr>

      <tr>
       <td><a href="misc.configuration.html#ini.syntax-highlighting" class="link">highlight.comment</a></td>
       <td>&quot;#FF8000&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="misc.configuration.html#ini.syntax-highlighting" class="link">highlight.default</a></td>
       <td>&quot;#0000BB&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="misc.configuration.html#ini.syntax-highlighting" class="link">highlight.html</a></td>
       <td>&quot;#000000&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="misc.configuration.html#ini.syntax-highlighting" class="link">highlight.keyword</a></td>
       <td>&quot;#007700&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="misc.configuration.html#ini.syntax-highlighting" class="link">highlight.string</a></td>
       <td>&quot;#DD0000&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.html-errors" class="link">html_errors</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
     <td><a href="ibase.configuration.html#ini.ibase.allow-persistent" class="link">ibase.allow_persistent</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="ibase.configuration.html#ini.ibase.max-persistent" class="link">ibase.max_persistent</a></td>
     <td>&quot;-1&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="ibase.configuration.html#ini.ibase.max-links" class="link">ibase.max_links</a></td>
     <td>&quot;-1&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="ibase.configuration.html#ini.ibase.default-db" class="link">ibase.default_db</a></td>
     <td>NULL</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="ibase.configuration.html#ini.ibase.default-user" class="link">ibase.default_user</a></td>
     <td>NULL</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="ibase.configuration.html#ini.ibase.default-password" class="link">ibase.default_password</a></td>
     <td>NULL</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="ibase.configuration.html#ini.ibase.default-charset" class="link">ibase.default_charset</a></td>
     <td>NULL</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="ibase.configuration.html#ini.ibase.timestampformat" class="link">ibase.timestampformat</a></td>
     <td>&quot;%Y-%m-%d %H:%M:%S&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="ibase.configuration.html#ini.ibase.dateformat" class="link">ibase.dateformat</a></td>
     <td>&quot;%Y-%m-%d&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="ibase.configuration.html#ini.ibase.timeformat" class="link">ibase.timeformat</a></td>
     <td>&quot;%H:%M:%S&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>

      <tr>
      <td><a href="ibm-db2.configuration.html#ini.ibm-db2.binmode" class="link">ibm_db2.binmode</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="ibm-db2.configuration.html#ini.ibm-db2.i5-all-pconnect" class="link">ibm_db2.i5_all_pconnect</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>Available since ibm_db2 1.6.5.</td>
     </tr>
<tr>
      <td><a href="ibm-db2.configuration.html#ini.ibm-db2.i5-allow-commit" class="link">ibm_db2.i5_allow_commit</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>Available since ibm_db2 1.4.9.</td>
     </tr>
<tr>
      <td><a href="ibm-db2.configuration.html#ini.ibm-db2.i5-dbcs-alloc" class="link">ibm_db2.i5_dbcs_alloc</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>Available since ibm_db2 1.5.0.</td>
     </tr>
<tr>
      <td><a href="ibm-db2.configuration.html#ini.ibm-db2.instance-name" class="link">ibm_db2.instance_name</a></td>
      <td>NULL</td>
      <td>PHP_INI_SYSTEM</td>
      <td>Available since ibm_db2 1.0.2.</td>
     </tr>
<tr>
      <td><a href="ibm-db2.configuration.html#ini.ibm-db2.i5-ignore-userid" class="link">ibm_db2.i5_ignore_userid</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>Available since ibm_db2 1.8.0.</td>
     </tr>

      <tr>
      <td><a href="iconv.configuration.html#ini.iconv.input-encoding" class="link">iconv.input_encoding</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>在 PHP 5.6.0 中废弃。</td>
     </tr>
<tr>
      <td><a href="iconv.configuration.html#ini.iconv.output-encoding" class="link">iconv.output_encoding</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>在 PHP 5.6.0 中废弃。</td>
     </tr>
<tr>
      <td><a href="iconv.configuration.html#ini.iconv.internal-encoding" class="link">iconv.internal_encoding</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>在 PHP 5.6.0 中废弃。</td>
     </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.ignore-repeated-errors" class="link">ignore_repeated_errors</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.ignore-repeated-source" class="link">ignore_repeated_source</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="misc.configuration.html#ini.ignore-user-abort" class="link">ignore_user_abort</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="outcontrol.configuration.html#ini.implicit-flush" class="link">implicit_flush</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.include-path" class="link">include_path</a></td>
       <td>&quot;.:/path/to/php/pear&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="intl.configuration.html#ini.intl.default-locale" class="link">intl.default_locale</a></td>
      <td class="empty">&nbsp;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="intl.configuration.html#ini.intl.error-level" class="link">intl.error_level</a></td>
      <td>0</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="intl.configuration.html#ini.intl.use-exceptions" class="link">intl.use_exceptions</a></td>
      <td>0</td>
      <td>PHP_INI_ALL</td>
      <td>Available since PECL 3.0.0a1</td>
     </tr>

      <tr>
       <td><a href="apache.configuration.html#ini.last-modified" class="link">last_modified</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
     <td><a href="ldap.configuration.html#ini.ldap.max_links" class="link">ldap.max_links</a></td>
     <td>&quot;-1&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.log-errors" class="link">log_errors</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.log-errors-max-len" class="link">log_errors_max_len</a></td>
       <td>&quot;1024&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="mail.configuration.html#ini.mail.add-x-header" class="link">mail.add_x_header</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td>mail.force_extra_parameters</td>
       <td>NULL</td>
       <td><var class="filename">php.ini</var> only</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="mail.configuration.html#ini.mail.log" class="link">mail.log</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.max-execution-time" class="link">max_execution_time</a></td>
       <td>&quot;30&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.max-input-nesting-level" class="link">max_input_nesting_level</a></td>
       <td>&quot;64&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.max-input-vars" class="link">max_input_vars</a></td>
       <td>1000</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.max-input-time" class="link">max_input_time</a></td>
       <td>&quot;-1&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.language" class="link">mbstring.language</a></td>
      <td>&quot;neutral&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.detect-order" class="link">mbstring.detect_order</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.http-input" class="link">mbstring.http_input</a></td>
      <td>&quot;pass&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>已弃用</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.http-output" class="link">mbstring.http_output</a></td>
      <td>&quot;pass&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>已弃用</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.internal-encoding" class="link">mbstring.internal_encoding</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td>已弃用</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.substitute-character" class="link">mbstring.substitute_character</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.func-overload" class="link">mbstring.func_overload</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>
       自 PHP 7.2.0 起弃用，PHP 8.0.0 起删除。
      </td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.encoding-translation" class="link">mbstring.encoding_translation</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_PERDIR</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.http-output-conv-mimetypes" class="link">mbstring.http_output_conv_mimetypes</a></td>
      <td>&quot;^(text/|application/xhtml\+xml)&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.strict-detection" class="link">mbstring.strict_detection</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.regex-retry-limit" class="link">mbstring.regex_retry_limit</a></td>
      <td>&quot;1000000&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 7.4.0 起可用。</td>
     </tr>
<tr>
      <td><a href="mbstring.configuration.html#ini.mbstring.regex-stack-limit" class="link">mbstring.regex_stack_limit</a></td>
      <td>&quot;100000&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 7.3.5 起可用。</td>
     </tr>

      <tr>
     <td><a href="mcrypt.configuration.html#ini.mcrypt.algorithms-dir" class="link">mcrypt.algorithms_dir</a></td>
     <td><strong><code>null</code></strong></td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="mcrypt.configuration.html#ini.mcrypt.modes-dir" class="link">mcrypt.modes_dir</a></td>
     <td><strong><code>null</code></strong></td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>

      <tr>
      <td><a href="memcache.ini.html#ini.memcache.allow-failover" class="link">memcache.allow_failover</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>Available since memcache 2.0.2.</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.max-failover-attempts" class="link">memcache.max_failover_attempts</a></td>
      <td>&quot;20&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>Available since memcache 2.1.0.</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.chunk-size" class="link">memcache.chunk_size</a></td>
      <td>&quot;8192&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>Available since memcache 2.0.2.</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.default-port" class="link">memcache.default_port</a></td>
      <td>&quot;11211&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>Available since memcache 2.0.2.</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.hash-strategy" class="link">memcache.hash_strategy</a></td>
      <td>&quot;standard&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>Available since memcache 2.2.0.</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.hash-function" class="link">memcache.hash_function</a></td>
      <td>&quot;crc32&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>Available since memcache 2.2.0.</td>
     </tr>
<tr>
      <td><a href="session.configuration.html#ini.session.save-handler" class="link">session.save_handler</a></td>
      <td>&quot;files&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>Supported since memcache 2.1.2</td>
     </tr>
<tr>
      <td><a href="session.configuration.html#ini.session.save-path" class="link">session.save_path</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>Supported since memcache 2.1.2</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.protocol" class="link">memcache.protocol</a></td>
      <td>ascii</td>
      <td>&gt;PHP_INI_ALL</td>
      <td>Supported since memcache 3.0.0</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.redundancy" class="link">memcache.redundancy</a></td>
      <td>1</td>
      <td>&gt;PHP_INI_ALL</td>
      <td>Supported since memcache 3.0.0</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.session-redundancy" class="link">memcache.session_redundancy</a></td>
      <td>2</td>
      <td>&gt;PHP_INI_ALL</td>
      <td>Supported since memcache 3.0.0</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.compress-threshold" class="link">memcache.compress_threshold</a></td>
      <td>20000</td>
      <td>&gt;PHP_INI_ALL</td>
      <td>Supported since memcache 3.0.3</td>
     </tr>
<tr>
      <td><a href="memcache.ini.html#ini.memcache.lock-timeout" class="link">memcache.lock_timeout</a></td>
      <td>15</td>
      <td>&gt;PHP_INI_ALL</td>
      <td>Supported since memcache 3.0.4</td>
     </tr>

      <tr>
       <td><a href="ini.core.html#ini.memory-limit" class="link">memory_limit</a></td>
       <td>&quot;128M&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="mysql.configuration.html#ini.mysql.allow-local-infile" class="link">mysql.allow_local_infile</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.allow-persistent" class="link">mysql.allow_persistent</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.max-persistent" class="link">mysql.max_persistent</a></td>
      <td>&quot;-1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.max-links" class="link">mysql.max_links</a></td>
      <td>&quot;-1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.trace-mode" class="link">mysql.trace_mode</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 4.3.0 起可用</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.default-port" class="link">mysql.default_port</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.default-socket" class="link">mysql.default_socket</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 4.0.1 起可用</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.default-host" class="link">mysql.default_host</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.default-user" class="link">mysql.default_user</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.default-password" class="link">mysql.default_password</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysql.configuration.html#ini.mysql.connect-timeout" class="link">mysql.connect_timeout</a></td>
      <td>&quot;60&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 4.3.0 起可用。在 PHP &lt;= 4.3.2 时为 PHP_INI_SYSTEM</td>
     </tr>

      <tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.allow-local-infile" class="link">mysqli.allow_local_infile</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自PHP 5.2.4起可用。在 PHP 7.2.16 和 7.3.3 之前，默认值为 &quot;1&quot;</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.local-infile-directory" class="link">mysqli.local_infile_directory</a></td>
      <td class="empty">&nbsp;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.allow-persistent" class="link">mysqli.allow_persistent</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自PHP 5.3.0起可用。</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.max-persistent" class="link">mysqli.max_persistent</a></td>
      <td>&quot;-1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自PHP 5.3.0起可用。</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.max-links" class="link">mysqli.max_links</a></td>
      <td>&quot;-1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.default-port" class="link">mysqli.default_port</a></td>
      <td>&quot;3306&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.default-socket" class="link">mysqli.default_socket</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.default-host" class="link">mysqli.default_host</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.default-user" class="link">mysqli.default_user</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td>自PHP 5.0.0起可用。</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.default-pw" class="link">mysqli.default_pw</a></td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.reconnect" class="link">mysqli.reconnect</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqli.configuration.html#ini.mysqli.rollback-on-cached-plink" class="link">mysqli.rollback_on_cached_plink</a></td>
      <td>TRUE</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 5.6.0 起可用。</td>
     </tr>

      <tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.collect-statistics" class="link">mysqlnd.collect_statistics</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.collect-memory-statistics" class="link">mysqlnd.collect_memory_statistics</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.debug" class="link">mysqlnd.debug</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.log-mask" class="link">mysqlnd.log_mask</a></td>
      <td>0</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.mempool-default-size" class="link">mysqlnd.mempool_default_size</a></td>
      <td>16000</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.net-read-timeout" class="link">mysqlnd.net_read_timeout</a></td>
      <td>&quot;86400&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>
       Before PHP 7.2.0 the default value was &quot;31536000&quot;
       and the changeability was <strong><code>PHP_INI_SYSTEM</code></strong>
      </td>
     </tr>
<tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.net-cmd-buffer-size" class="link">mysqlnd.net_cmd_buffer_size</a></td>
      <td>&quot;4096&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.net-read-buffer-size" class="link">mysqlnd.net_read_buffer_size</a></td>
      <td>&quot;32768&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.sha256-server-public-key" class="link">mysqlnd.sha256_server_public_key</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_PERDIR</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
       <td><a href="mysqlnd.config.html#ini.mysqlnd.trace-alloc" class="link">mysqlnd.trace_alloc</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>
<tr>
      <td><a href="mysqlnd.config.html#ini.mysqlnd.fetch_data_copy" class="link">mysqlnd.fetch_data_copy</a></td>
      <td>0</td>
      <td>PHP_INI_ALL</td>
      <td>Removed as of PHP 8.1.0</td>
     </tr>

      <tr>
         <td><a href="oci8.configuration.html#ini.oci8.connection-class" class="link">oci8.connection_class</a></td>
         <td>&quot;&quot;</td>
         <td>PHP_INI_ALL</td>
         <td>Available since PECL OCI8 1.3.</td>
        </tr>
<tr>
         <td><a href="oci8.configuration.html#ini.oci8.default-prefetch" class="link">oci8.default_prefetch</a></td>
         <td>&quot;100&quot;</td>
         <td>PHP_INI_SYSTEM</td>
         <td>Available since PECL OCI8 1.1.</td>
        </tr>
<tr>
         <td><a href="oci8.configuration.html#ini.oci8.events" class="link">oci8.events</a></td>
         <td>Off</td>
         <td>PHP_INI_SYSTEM</td>
         <td>Available since PECL OCI8 1.3.</td>
        </tr>
<tr>
         <td><a href="oci8.configuration.html#ini.oci8.max-persistent" class="link">oci8.max_persistent</a></td>
         <td>&quot;-1&quot;</td>
         <td>PHP_INI_SYSTEM</td>
         <td>Available since PECL OCI8 1.1.</td>
        </tr>
<tr>
         <td><a href="oci8.configuration.html#ini.oci8.old-oci-close-semantics" class="link">oci8.old_oci_close_semantics</a></td>
         <td>Off</td>
         <td>PHP_INI_SYSTEM</td>
         <td>Available since PECL OCI8 1.1. Deprecated as of PHP 8.1.0.</td>
        </tr>
<tr>
         <td><a href="oci8.configuration.html#ini.oci8.persistent-timeout" class="link">oci8.persistent_timeout</a></td>
         <td>&quot;-1&quot;</td>
         <td>PHP_INI_SYSTEM</td>
         <td>Available since PECL OCI8 1.1.</td>
        </tr>
<tr>
         <td><a href="oci8.configuration.html#ini.oci8.ping-interval" class="link">oci8.ping_interval</a></td>
         <td>&quot;60&quot;</td>
         <td>PHP_INI_SYSTEM</td>
         <td>Available since PECL OCI8 1.1.</td>
        </tr>
<tr>
         <td><a href="oci8.configuration.html#ini.oci8.prefetch-lob-size" class="link">oci8.prefetch_lob_size</a></td>
         <td>&quot;0&quot;</td>
         <td>PHP_INI_SYSTEM</td>
         <td>Available since PECL OCI8 3.2.</td>
        </tr>
<tr>
         <td><a href="oci8.configuration.html#ini.oci8.privileged-connect" class="link">oci8.privileged_connect</a></td>
         <td>Off</td>
         <td>PHP_INI_SYSTEM</td>
         <td>Available since PECL OCI8 1.1.</td>
        </tr>
<tr>
         <td><a href="oci8.configuration.html#ini.oci8.statement-cache-size" class="link">oci8.statement_cache_size</a></td>
         <td>&quot;20&quot;</td>
         <td>PHP_INI_SYSTEM</td>
         <td>Available since PECL OCI8 1.1.</td>
        </tr>

      <tr>
      <td><a href="odbc.configuration.html#ini.uodbc.default-db" class="link">odbc.default_db</a> *</td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="odbc.configuration.html#ini.uodbc.default-user" class="link">odbc.default_user</a> *</td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="odbc.configuration.html#ini.uodbc.default-pw" class="link">odbc.default_pw</a> *</td>
      <td>NULL</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="odbc.configuration.html#ini.uodbc.allow-persistent" class="link">odbc.allow_persistent</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="odbc.configuration.html#ini.uodbc.check-persistent" class="link">odbc.check_persistent</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="odbc.configuration.html#ini.uodbc.max-persistent" class="link">odbc.max_persistent</a></td>
      <td>&quot;-1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="odbc.configuration.html#ini.uodbc.max-links" class="link">odbc.max_links</a></td>
      <td>&quot;-1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="odbc.configuration.html#ini.uodbc.defaultlrl" class="link">odbc.defaultlrl</a></td>
      <td>&quot;4096&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="odbc.configuration.html#ini.uodbc.defaultbinmode" class="link">odbc.defaultbinmode</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="odbc.configuration.html#ini.uodbc.defaultcursortype" class="link">odbc.default_cursortype</a></td>
      <td>&quot;3&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
      <td><a href="opcache.configuration.html#ini.opcache.enable" class="link">opcache.enable</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.enable-cli" class="link">opcache.enable_cli</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>在 PHP 7.1.2 至 7.1.6（含）的版本，默认值是“1”</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.memory-consumption" class="link">opcache.memory_consumption</a></td>
      <td>&quot;128&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.interned-strings-buffer" class="link">opcache.interned_strings_buffer</a></td>
      <td>&quot;8&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.max-accelerated-files" class="link">opcache.max_accelerated_files</a></td>
      <td>&quot;10000&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.max-wasted-percentage" class="link">opcache.max_wasted_percentage</a></td>
      <td>&quot;5&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.use-cwd" class="link">opcache.use_cwd</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.validate-timestamps" class="link">opcache.validate_timestamps</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.revalidate-freq" class="link">opcache.revalidate_freq</a></td>
      <td>&quot;2&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.revalidate-path" class="link">opcache.revalidate_path</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.save-comments" class="link">opcache.save_comments</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.fast-shutdown" class="link">opcache.fast_shutdown</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>从 PHP 7.2.0 开始被移除</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.enable-file-override" class="link">opcache.enable_file_override</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.optimization-level" class="link">opcache.optimization_level</a></td>
      <td>&quot;0x7FFEBFFF&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>从 PHP 7.3.0 起修改为 0x7FFFBFFF</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.inherited-hack" class="link">opcache.inherited_hack</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 7.3.0 被移除</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.dups-fix" class="link">opcache.dups_fix</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.blacklist-filename" class="link">opcache.blacklist_filename</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.max-file-size" class="link">opcache.max_file_size</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.consistency-checks" class="link">opcache.consistency_checks</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.force-restart-timeout" class="link">opcache.force_restart_timeout</a></td>
      <td>&quot;180&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.error-log" class="link">opcache.error_log</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.log-verbosity-level" class="link">opcache.log_verbosity_level</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.record-warnings" class="link">opcache.record_warnings</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.preferred-memory-model" class="link">opcache.preferred_memory_model</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.protect-memory" class="link">opcache.protect_memory</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.mmap-base" class="link">opcache.mmap_base</a></td>
      <td><strong><code>null</code></strong></td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.restrict-api" class="link">opcache.restrict_api</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.file_update_protection" class="link">opcache.file_update_protection</a></td>
      <td>&quot;2&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.huge_code_pages" class="link">opcache.huge_code_pages</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.lockfile_path" class="link">opcache.lockfile_path</a></td>
      <td>&quot;/tmp&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.opt_debug_level" class="link">opcache.opt_debug_level</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 7.1.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.file-cache" class="link">opcache.file_cache</a></td>
      <td>NULL</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.file-cache-only" class="link">opcache.file_cache_only</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.file-cache-consistency-checks" class="link">opcache.file_cache_consistency_checks</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.file-cache-fallback" class="link">opcache.file_cache_fallback</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>仅适用于 Windows 平台</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.validate-permission" class="link">opcache.validate_permission</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>从 PHP 7.0.14 开始支持</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.validate-root" class="link">opcache.validate_root</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>从 PHP 7.0.14 开始支持</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.preload" class="link">opcache.preload</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>从 PHP 7.4.0 开始支持</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.preload-user" class="link">opcache.preload_user</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>从 PHP 7.4.0 开始支持</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.cache-id" class="link">opcache.cache_id</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>仅支持 Windows。自 PHP 7.4.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit" class="link">opcache.jit</a></td>
      <td>&quot;tracing&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-buffer-size" class="link">opcache.jit_buffer_size</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-debug" class="link">opcache.jit_debug</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-bisect-limit" class="link">opcache.jit_bisect_limit</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-prof-threshold" class="link">opcache.jit_prof_threshold</a></td>
      <td>&quot;0.005&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-max-root-traces" class="link">opcache.jit_max_root_traces</a></td>
      <td>&quot;1024&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-max-side-traces" class="link">opcache.jit_max_side_traces</a></td>
      <td>&quot;128&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-max-exit-counters" class="link">opcache.jit_max_exit_counters</a></td>
      <td>&quot;8192&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-hot-loop" class="link">opcache.jit_hot_loop</a></td>
      <td>&quot;64&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-hot-func" class="link">opcache.jit_hot_func</a></td>
      <td>&quot;127&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-hot-return" class="link">opcache.jit_hot_return</a></td>
      <td>&quot;8&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-hot-side-exit" class="link">opcache.jit_hot_side_exit</a></td>
      <td>&quot;8&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-blacklist-root-trace" class="link">opcache.jit_blacklist_root_trace</a></td>
      <td>&quot;16&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-blacklist-side-trace" class="link">opcache.jit_blacklist_side_trace</a></td>
      <td>&quot;8&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-max-loop-unrolls" class="link">opcache.jit_max_loop_unrolls</a></td>
      <td>&quot;8&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-max-recursive-calls" class="link">opcache.jit_max_recursive_calls</a></td>
      <td>&quot;2&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-max-recursive-return" class="link">opcache.jit_max_recursive_returns</a></td>
      <td>&quot;2&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>
<tr>
      <td><a href="opcache.configuration.html#ini.opcache.jit-max-polymorphic-calls" class="link">opcache.jit_max_polymorphic_calls</a></td>
      <td>&quot;2&quot;</td>
      <td>PHP_INI_ALL</td>
      <td>自 PHP 8.0.0 起有效</td>
     </tr>

      <tr>
       <td><a href="ini.core.html#ini.open-basedir" class="link">open_basedir</a></td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td>在 PHP &lt; 5.2.3 时是 PHP_INI_SYSTEM。</td>
      </tr>

      <tr>
       <td><a href="outcontrol.configuration.html#ini.output-buffering" class="link">output_buffering</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="outcontrol.configuration.html#ini.output-handler" class="link">output_handler</a></td>
       <td>NULL</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="pcre.configuration.html#ini.pcre.backtrack-limit" class="link">pcre.backtrack_limit</a></td>
      <td>&quot;100000&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="pcre.configuration.html#ini.pcre.recursion-limit" class="link">pcre.recursion_limit</a></td>
      <td>&quot;100000&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="pcre.configuration.html#ini.pcre.jit" class="link">pcre.jit</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
      <td><a href="pdo.configuration.html#ini.pdo.dsn" class="link">pdo.dsn.*</a></td>
      <td class="empty">&nbsp;</td>
      <td>仅 <var class="filename">php.ini</var> </td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
      <td><a href="ref.pdo-odbc.html#ini.pdo-odbc.connection-pooling" class="link">pdo_odbc.connection_pooling</a></td>
      <td>&quot;strict&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="ref.pdo-odbc.html#ini.pdo-odbc.db2-instance-name" class="link">pdo_odbc.db2_instance_name</a></td>
      <td>NULL</td>
      <td>PHP_INI_SYSTEM</td>
      <td>本过时特性<em class="emphasis">将</em>肯定会在未来被<em class="emphasis">移除</em>。</td>
     </tr>

      <tr>
     <td><a href="pgsql.configuration.html#ini.pgsql.allow-persistent" class="link">pgsql.allow_persistent</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="pgsql.configuration.html#ini.pgsql.max-persistent" class="link">pgsql.max_persistent</a></td>
     <td>&quot;-1&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="pgsql.configuration.html#ini.pgsql.max-links" class="link">pgsql.max_links</a></td>
     <td>&quot;-1&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="pgsql.configuration.html#ini.pgsql.auto-reset-persistent" class="link">pgsql.auto_reset_persistent</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_SYSTEM</td>
     <td>从 PHP 4.2.0 起开始存在</td>
    </tr>
<tr>
     <td><a href="pgsql.configuration.html#ini.pgsql.ignore-notice" class="link">pgsql.ignore_notice</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>从 PHP 4.3.0 起开始存在</td>
    </tr>
<tr>
     <td><a href="pgsql.configuration.html#ini.pgsql.log-notice" class="link">pgsql.log_notice</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>从 PHP 4.3.0 起开始存在</td>
    </tr>

      <tr>
      <td><a href="phar.configuration.html#ini.phar.readonly" class="link">phar.readonly</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="phar.configuration.html#ini.phar.require-hash" class="link">phar.require_hash</a></td>
      <td>&quot;1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="phar.configuration.html#ini.phar.cache-list" class="link">phar.cache_list</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>


      <tr>
       <td><a href="ini.core.html#ini.post-max-size" class="link">post_max_size</a></td>
       <td>&quot;8M&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.precision" class="link">precision</a></td>
       <td>&quot;14&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.realpath-cache-size" class="link">realpath_cache_size</a></td>
       <td>&quot;16K&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.realpath-cache-ttl" class="link">realpath_cache_ttl</a></td>
       <td>&quot;120&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.register-argc-argv" class="link">register_argc_argv</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.report-memleaks" class="link">report_memleaks</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td>report_zend_debug</td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.request-order" class="link">request_order</a></td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="runkit7.configuration.html#ini.runkit7.superglobal" class="link">runkit.superglobal</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_PERDIR</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="runkit7.configuration.html#ini.runkit7.internal-override" class="link">runkit.internal_override</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
       <td><a href="mail.configuration.html#ini.sendmail-from" class="link">sendmail_from</a></td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="mail.configuration.html#ini.sendmail-path" class="link">sendmail_path</a></td>
       <td>&quot;/usr/sbin/sendmail -t -i&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.serialize-precision" class="link">serialize_precision</a></td>
       <td>&quot;-1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td>
        PHP 7.1.0 之前，默认值为 17。
       </td>
      </tr>

      <tr>
     <td><a href="session.configuration.html#ini.session.save-path" class="link">session.save_path</a></td>
     <td>&quot;&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.name" class="link">session.name</a></td>
     <td>&quot;PHPSESSID&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.save-handler" class="link">session.save_handler</a></td>
     <td>&quot;files&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.auto-start" class="link">session.auto_start</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_PERDIR</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.gc-probability" class="link">session.gc_probability</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.gc-divisor" class="link">session.gc_divisor</a></td>
     <td>&quot;100&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.gc-maxlifetime" class="link">session.gc_maxlifetime</a></td>
     <td>&quot;1440&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.serialize-handler" class="link">session.serialize_handler</a></td>
     <td>&quot;php&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.cookie-lifetime" class="link">session.cookie_lifetime</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.cookie-path" class="link">session.cookie_path</a></td>
     <td>&quot;/&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.cookie-domain" class="link">session.cookie_domain</a></td>
     <td>&quot;&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.cookie-secure" class="link">session.cookie_secure</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>在 PHP 7.2.0 之前，默认值是 <code class="literal">&quot;&quot;</code>。</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.cookie-httponly" class="link">session.cookie_httponly</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>在 PHP 7.2.0 之前，默认值是 <code class="literal">&quot;&quot;</code>。</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.cookie-samesite" class="link">session.cookie_samesite</a></td>
     <td>&quot;&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.3.0 起有效</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.use-strict-mode" class="link">session.use_strict_mode</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 5.5.2 起有效</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.use-cookies" class="link">session.use_cookies</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.use-only-cookies" class="link">session.use_only_cookies</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.referer-check" class="link">session.referer_check</a></td>
     <td>&quot;&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.cache-limiter" class="link">session.cache_limiter</a></td>
     <td>&quot;nocache&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.cache-expire" class="link">session.cache_expire</a></td>
     <td>&quot;180&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.use-trans-sid" class="link">session.use_trans_sid</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.trans-sid-tags" class="link">session.trans_sid_tags</a></td>
     <td>&quot;a=href,area=href,frame=src,form=&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.1.0 起有效。</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.trans-sid-hosts" class="link">session.trans_sid_hosts</a></td>
     <td><code class="literal">$_SERVER[&#039;HTTP_HOST&#039;]</code></td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.1.0 起有效。</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.sid-length" class="link">session.sid_length</a></td>
     <td>&quot;32&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.1.0 起有效。</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.sid-bits-per-character" class="link">session.sid_bits_per_character</a></td>
     <td>&quot;4&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.1.0 起有效。</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.upload-progress.enabled" class="link">session.upload_progress.enabled</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_PERDIR</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.upload-progress.cleanup" class="link">session.upload_progress.cleanup</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_PERDIR</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.upload-progress.prefix" class="link">session.upload_progress.prefix</a></td>
     <td>&quot;upload_progress_&quot;</td>
     <td>PHP_INI_PERDIR</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.upload-progress.name" class="link">session.upload_progress.name</a></td>
     <td>&quot;PHP_SESSION_UPLOAD_PROGRESS&quot;</td>
     <td>PHP_INI_PERDIR</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.upload-progress.freq" class="link">session.upload_progress.freq</a></td>
     <td>&quot;1%&quot;</td>
     <td>PHP_INI_PERDIR</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.upload-progress.min-freq" class="link">session.upload_progress.min_freq</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_PERDIR</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.lazy-write" class="link">session.lazy_write</a></td>
     <td>&quot;1&quot;</td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.hash-function" class="link">session.hash_function</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.1.0 起移除。</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.hash-bits-per-character" class="link">session.hash_bits_per_character</a></td>
     <td>&quot;4&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.1.0 起移除。</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.entropy-file" class="link">session.entropy_file</a></td>
     <td>&quot;&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.1.0 起移除。</td>
    </tr>
<tr>
     <td><a href="session.configuration.html#ini.session.entropy-length" class="link">session.entropy_length</a></td>
     <td>&quot;0&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.1.0 起移除。</td>
    </tr>

      <tr>
       <td><a href="ini.core.html#ini.short-open-tag" class="link">short_open_tag</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="mail.configuration.html#ini.smtp" class="link">SMTP</a></td>
       <td>&quot;localhost&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="mail.configuration.html#ini.smtp-port" class="link">smtp_port</a></td>
       <td>&quot;25&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="soap.configuration.html#ini.soap.wsdl-cache-enabled" class="link">soap.wsdl_cache_enabled</a></td>
      <td>1</td>
      <td>PHP_INI_ALL</td>
      <td></td>
     </tr>
<tr>
      <td><a href="soap.configuration.html#ini.soap.wsdl-cache-dir" class="link">soap.wsdl_cache_dir</a></td>
      <td>/tmp</td>
      <td>PHP_INI_ALL</td>
      <td></td>
     </tr>
<tr>
      <td><a href="soap.configuration.html#ini.soap.wsdl-cache-ttl" class="link">soap.wsdl_cache_ttl</a></td>
      <td>86400</td>
      <td>PHP_INI_ALL</td>
      <td></td>
     </tr>
<tr>
      <td><a href="soap.configuration.html#ini.soap.wsdl-cache" class="link">soap.wsdl_cache</a></td>
      <td>1</td>
      <td>PHP_INI_ALL</td>
      <td></td>
     </tr>
<tr>
      <td><a href="soap.configuration.html#ini.soap.wsdl-cache-limit" class="link">soap.wsdl_cache_limit</a></td>
      <td>5</td>
      <td>PHP_INI_ALL</td>
      <td></td>
     </tr>

      <tr>
       <td><a href="ini.core.html#ini.sql.safe-mode" class="link">sql.safe_mode</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="sqlite3.configuration.html#ini.sqlite3.extension-dir" class="link">sqlite3.extension_dir</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td>PHP 5.3.11 起可用</td>
     </tr>
<tr>
      <td><a href="sqlite3.configuration.html#ini.sqlite3.defensive" class="link">sqlite3.defensive</a></td>
      <td>1</td>
      <td>PHP_INI_SYSTEM</td>
      <td>PHP 7.2.17 和 7.3.4 起可用，libsqlite ≥ 3.26.0。</td>
     </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.syslog.facility" class="link">syslog.facility</a></td>
       <td>&quot;LOG_USER&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>从 PHP 7.3.0 起可用。</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.syslog.filter" class="link">syslog.filter</a></td>
       <td>&quot;no-ctrl&quot;</td>
       <td>PHP_INI_ALL</td>
       <td>从 PHP 7.3.0 起可用。</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.syslog.ident" class="link">syslog.ident</a></td>
       <td>&quot;php&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>从 PHP 7.3.0 起可用。</td>
      </tr>

      <tr>
       <td>sys_temp_dir</td>
       <td>&quot;&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
     <td><a href="sem.configuration.html#ini.sysvshm.init-mem" class="link">sysvshm.init_mem</a></td>
     <td>10000</td>
     <td>PHP_INI_SYSTEM</td>
     <td class="empty">&nbsp;</td>
    </tr>

      <tr>
      <td><a href="tidy.configuration.html#ini.tidy.default-config" class="link">tidy.default_config</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_SYSTEM</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="tidy.configuration.html#ini.tidy.clean-output" class="link">tidy.clean_output</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_USER</td>
      <td class="empty">&nbsp;</td>
     </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.track-errors" class="link">track_errors</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td>自 PHP 7.2.0 起废弃, 在 PHP 8.0.0 中移除。</td>
      </tr>

      <tr>
     <td><a href="var.configuration.html#ini.unserialize-callback-func" class="link">unserialize_callback_func</a></td>
     <td><strong><code>null</code></strong></td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>
<tr>
     <td><a href="var.configuration.html#ini.unserialize-max-depth" class="link">unserialize_max_depth</a></td>
     <td>&quot;4096&quot;</td>
     <td>PHP_INI_ALL</td>
     <td>自 PHP 7.4.0 起可用。</td>
    </tr>

      <tr>
       <td>uploadprogress.file.filename_template</td>
       <td>&quot;/tmp/upt_%s.txt&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.upload-max-filesize" class="link">upload_max_filesize</a></td>
       <td>&quot;2M&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.max-file-uploads" class="link">max_file_uploads</a></td>
       <td>20</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.upload-tmp-dir" class="link">upload_tmp_dir</a></td>
       <td>NULL</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="outcontrol.configuration.html#ini.url-rewriter.tags" class="link">url_rewriter.tags</a></td>
       <td>&quot;a=href,area=href,frame=src,form=,fieldset=&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="filesystem.configuration.html#ini.user-agent" class="link">user_agent</a></td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.user-dir" class="link">user_dir</a></td>
       <td>NULL</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.user-ini.cache-ttl" class="link">user_ini.cache_ttl</a></td>
       <td>&quot;300&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.user-ini.filename" class="link">user_ini.filename</a></td>
       <td>&quot;.user.ini&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="uopz.configuration.html#ini.uopz.disable" class="link">uopz.disable</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>Available as of uopz 5.0.2</td>
      </tr>
<tr>
       <td><a href="uopz.configuration.html#ini.uopz.exit" class="link">uopz.exit</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>Available as of uopz 6.0.1</td>
      </tr>
<tr>
       <td><a href="uopz.configuration.html#ini.uopz.overloads" class="link">uopz.overloads</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>Available as of uopz 2.0.2. Removed as of uopz 5.0.0.</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.variables-order" class="link">variables_order</a></td>
       <td>&quot;EGPCS&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td>vld.active</td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td>vld.execute</td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>从 vld 0.8.0 起可用。</td>
      </tr>

      <tr>
       <td>vld.skip_append</td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>从 vld 0.8.0 起可用。</td>
      </tr>

      <tr>
       <td>vld.skip_prepend</td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td>从 vld 0.8.0 起可用。</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.windows-show-crt-warning" class="link">windows.show_crt_warning</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="apache.configuration.html#ini.xbithack" class="link">xbithack</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.xmlrpc-errors" class="link">xmlrpc_errors</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="errorfunc.configuration.html#ini.xmlrpc-error-number" class="link">xmlrpc_error_number</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td>yaz.keepalive</td>
       <td>&quot;120&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td>yaz.log_mask</td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td>从 yaz 1.0.3 起可用。</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.zend.assertions" class="link">zend.assertions</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.zend.detect-unicode" class="link">zend.detect_unicode</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="info.configuration.html#ini.zend.enable-gc" class="link">zend.enable_gc</a></td>
       <td>&quot;1&quot;</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.zend.multibyte" class="link">zend.multibyte</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_PERDIR</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.zend.script-encoding" class="link">zend.script_encoding</a></td>
       <td>NULL</td>
       <td>PHP_INI_ALL</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.zend.signal-check" class="link">zend.signal_check</a></td>
       <td>&quot;0&quot;</td>
       <td>PHP_INI_SYSTEM</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
       <td><a href="ini.core.html#ini.zend-extension" class="link">zend_extension</a></td>
       <td>NULL</td>
       <td><var class="filename">php.ini</var> only</td>
       <td class="empty">&nbsp;</td>
      </tr>

      <tr>
      <td><a href="zlib.configuration.html#ini.zlib.output-compression" class="link">zlib.output_compression</a></td>
      <td>&quot;0&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="zlib.configuration.html#ini.zlib.output-compression-level" class="link">zlib.output_compression_level</a></td>
      <td>&quot;-1&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>
<tr>
      <td><a href="zlib.configuration.html#ini.zlib.output-handler" class="link">zlib.output_handler</a></td>
      <td>&quot;&quot;</td>
      <td>PHP_INI_ALL</td>
      <td class="empty">&nbsp;</td>
     </tr>

     </tbody>
    
   </table>

  </p>
 </div></div></div></body></html>